spring silkworm rearing season
常見(jiàn)例句
- Rearing silkworm twice in the spring season was a new trial which could save labour cost so as to suit for the present situation.
飼養(yǎng)二春蠶就是適應(yīng)這一形勢(shì)需要而形成的省力化、經(jīng)濟(jì)化養(yǎng)蠶新技術(shù)。 返回 spring silkworm rearing season